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So I have a Pi 4 and an official touchscreen and I'm building a portable device to run retropie. I got a heatsink/fan combo which is about as tall as the USBs on the pi and I've ordered a Pi Juice HAT to power it but I don't think I'll be able to put the juice on top of the fan so I was looking at 40 pin GPIO ribbon cables so that I could have the pi and the juice side by side (which would work better in the case that I am having 3d printed).

Is this possible/advisable? I have looked around and it seems to be a good solution for other HATs but I am not sure if it will be good for a power source, also I am unsure if I need male to male, male to female, or a female to female cable.

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Simple answer NO!

If you use a cable the pins will be reversed.

If the HAT has male pins on top it would be OK.

There are no extension cables available (at least I could not find any).

I had a similar situation with an older Pi and a Gertboard. I managed to solder a male socket on top - this is quite challenging!

I use old PATA HDD cables - if you go this way make sure you don't use one with 80 wires - they will short out the Pi.

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I'm using this solution, don't know if it can work for you too: ribbon cable connection (female-female) pijuice gui I've added 2 connectors (male-female) on top of the existing pins, and the a straight ribbon cable (I checked the pins where not mixed). enter image description here Just be careful to not mix the pins.

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  • That looks great, thanks! I think we have the exact same heatsink/fan so this is very helpful! – InverseSmon Jul 7 at 10:25

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